Home / 120,031,670.08-180,047,507.26-29,154,646.72

Finding the Fourth Proportional to 120,031,670.08, 180,047,507.26 and 29,154,646.72

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Solution

The fourth proportional to 120,031,670.08, 180,047,507.26 and 29,154,646.72 is: 43,731,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,031,670.08 : 180,047,507.26 = 29,154,646.72 : x
  2. Step 2: Convert to fraction form
    120,031,670.08/180,047,507.26 = 29,154,646.72/x
  3. Step 3: Cross multiply
    120,031,670.08x = 180,047,507.26 × 29,154,646.72
  4. Step 4: Simplify right side
    120,031,670.08x = 5,249,221,466,981,935
  5. Step 5: Solve for x
    x = 5,249,221,466,981,935/120,031,670.08
  6. Step 6: Final answer
    x = 43,731,970.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.